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Running a maintenance function
To run the maintenance function indicated by the character on the single-character display, press and
hold the eject button for 2 seconds. The single digit flashes the selected maintenance function code during
the running of the operation. If the drive runs the function successfully, the single-character display
indicates 0. If the function fails, the status LED indicates continuous yellow and the single-character
display indicates the reason for the error by displaying an error code. For a list of error codes, see
Table 11 on page 11.
Exiting maintenance mode
To exit maintenance mode, press the eject button twice within one second:
v While the single-character display indicates 0.
v When the selected maintenance function is completed either successfully or unsuccessfully.
v When the eject button is pressed during any currently running maintenance function.
Running a dump operation when not in maintenance mode
To perform a drive dump operation, press and hold the eject button for 10 or more seconds. The
microcode goes to its initialized state after a dump operation.
Note: Data from a dump operation is for use by trained personnel for problem determination.
Resetting the tape drive
You might need to reset your tape drive. Use the procedure in this topic to perform this task.
Use this information to reset your tape drive, without affecting server operation. Allow up to 2 minutes
for the entire tape drive process to complete.
Attention: Resetting a tape drive before the current backup operation has completed can cause loss of
customer data.
To reset the tape drive, complete the following steps:
1. Press and hold the eject button for 20 seconds, and then release the button. The LEDs on the drive
flash while the reset function is in process.
2. After the LEDs stop flashing, wait approximately one minute for the drive to complete the reset
operation. The drive is then ready to use.
Performing the internal self-test (FC 5746)
Use the information in this section to perform an internal self-test on your tape drive.
This procedure is designed to allow you to quickly perform a complete set of diagnostic tests on your
LTO-4 tape drive, without impacting server operation. This 4-minute test can also be used to verify good
performance of individual LTO tape cartridges. For an illustration of the tape drive and the LED status
lights that are referred to in this procedure, see Figure 1 on page 11
Prerequisites
In order to perform the test you need a blank LTO-4 (Ultrium 4) data cartridge. If an Ultrium-4 data
cartridge is not available, an Ultrium-3 cartridge can be substituted.
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Managing devices
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